3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = '1a1'; for ($i = '1a1'; $i < 10; ++$i) { echo $i; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/00u8C
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1a1'
    5     1        ASSIGN                                                   !0, '1a1'
          2      > JMP                                                      ->5
    6     3    >   ECHO                                                     !0
    5     4        PRE_INC                                                  !0
          5    >   IS_SMALLER                                               !0, 10
          6      > JMPNZ                                                    ~4, ->3
    7     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.58 ms | 1393 KiB | 13 Q